1780 NA
1781 NA
1782 NA
1783 NA
1784 NA
1785 NA
1786 NA
1787 NA
1788 NA
1789 NA
1790 NA
1791 NA
1792 NA
1793 NA
1794 NA
1795 NA
1796 NA
1797 NA
1798 NA
1799 NA
1800 NA
1801 NA
1802 NA
1803 NA
1804 NA
1805 NA
1806 NA
1807 NA
1808 NA
1809 NA
1810 NA
1811 NA
1812 NA
1813 NA
1814 NA
1815 NA
1816 NA
1817 NA
1818 NA
1819 NA
1820 NA
1821 NA
1822 NA
1823 NA
1824 NA
1825 NA
1826 NA
1827 NA
1828 NA
1829 NA
1830 NA
1831 NA
1832 NA
1833 NA
1834 NA
1835 NA
1836 NA
1837 NA
1838 NA
1839 NA
1840 NA
1841 NA
1842 NA
1843 NA
1844 NA
1845 NA
1846 NA
1847 NA
1848 NA
1849 NA
1850 NA
1851 NA
1852 NA
1853 NA
1854 NA
1855 NA
1856 NA
1857 NA
1858 NA
1859 NA
1860 NA
1861 NA
1862 NA
1863 NA
1864 NA
1865 NA
1866 NA
1867 NA
1868 NA
1869 NA
1870 NA
1871 NA
1872 NA
1873 NA
1874 NA
1875 NA
1876 NA
1877 NA
1878 NA
1879 NA
1880 NA
1881 NA
1882 NA
1883 NA
1884 NA
1885 NA
1886 NA
1887 NA
1888 NA
1889 NA
1890 NA
1891 -0.08047669619391
1892 0.106406259932505
1893 -0.138779226042082
1894 -0.693683871808768
1895 0.106406259932505
1896 -0.178268820544414
1897 1.07999552489741
1898 1.03842182745209
1899 0.106406259932505
1900 -0.428885316249588
1901 1.13474174695904
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1903 -0.693683871808768
1904 -0.541282473424747
1905 1.26835653584545
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1907 0.106406259932505
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1909 -0.812532033098569
1910 -0.970880593234628
1911 0.106406259932505
1912 -1.11989960270951
1913 -0.474635990718003
1914 -0.258816233215565
1915 0.881987103340285
1916 0.384728587564574
1917 1.03842182745209
1918 2.48409891013402
1919 -0.450581198305102
1920 0.823447093038626
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1923 -0.283405403332805
1924 -0.693683871808768
1925 -0.628011723997509
1926 2.04545281996453
1927 -0.283405403332805
1928 -0.345778862369492
1929 0.0698963442531773
1930 0.178214439214883
1931 -0.405205302352128
1932 1.13474174695904
1933 -1.67572778596819
1934 -1.74377338718517
1935 -0.561584009605327
1936 -0.561584009605327
1937 -0.572925834956214
1938 0.910915996920946
1939 1.2419916580163
1940 1.62059729810946
1941 1.4733013004651
1942 1.39764942811495
1943 -0.760959941007416
1944 -1.07564474051325
1945 -0.827450026822544
1946 2.7558740339902
1947 0.852832391947466
1948 2.28029743040013
1949 -1.43180956368205
1950 -1.08939151189137
1951 -0.684206246887527
1952 -1.31425402673168
1953 -0.739154406295296
1954 0.688223378194662
1955 0.642004337152455
1956 2.13223509469812
1957 1.20211371786359
1958 0.384728587564574
1959 -0.957751365701364
1960 0.248482765889549
1961 0.563616909547133
1962 0.401379872357471
1963 0.0698963442531773
1964 -2.10326796849481
1965 0.231055327752487
1966 1.57207041585999
1967 -0.238477693962079
1968 1.70420973183218
1969 -0.08047669619391
1970 1.62059729810946
1971 -1.14232150361832
1972 -1.43816083224087
1973 -1.06743221335941
1974 -0.362635712951082
1975 -0.383843316243498
1976 -0.373220397369661
1977 -1.33243587987762
1978 -0.962995116504979
1979 0.499628071074784
1980 -0.238477693962079
1981 2.31142673653911
1982 0.248482765889549
1983 -0.0422063061598289
1984 -0.158460516272413
1985 -0.368981955443319
1986 -0.158460516272413
1987 1.37211874415953
1988 0.483446004834884
1989 -1.2137154034219
1990 -0.566115282114421
1991 -0.773150124939503
1992 -0.518893953521686
1993 -0.50776522873446
1994 1.05232962425067
1995 -0.158460516272413
1996 -0.812532033098569
1997 -0.481231352356078
1998 0.626464516920744
1999 0.248482765889549
2000 -0.138779226042082
2001 -0.518893953521686
2002 1.21545097745638
2003 1.71602238678176
2004 -0.532305938374399
2005 -0.712737563887771
2006 -0.82246814159122
2007 -0.450581198305102
2008 0.417950457262388
2009 -1.11154261490534
2010 -0.19820629691777
2011 0.483446004834884
2012 -0.526039160864278
2013 1.00117970558614
2014 -1.45731824093601
2015 -0.688940987802371
2016 -0.292884997897244
2017 NA
2018 NA
2019 NA
2020 NA
2021 NA
